Size and weight is a big decision factor when you are trying to find the ideal camera for your needs.
In this section, We are going to illustrate Panasonic ZS7 and Olympus SZ-30MR side-by-side from the front, back and top in their relative dimensions. Panasonic ZS7 has external dimensions of 103 x 60 x 33 mm (4.06 x 2.36 x 1.3″) and weighs 218 g (0.48 lb / 7.69 oz) (including batteries). Olympus SZ-30MR has external dimensions of 106 x 69 x 40 mm (4.17 x 2.72 x 1.57″) and weighs 226 g (0.50 lb / 7.97 oz) (including batteries).
Below you can see the front view size comparison of Panasonic ZS7 and Olympus SZ-30MR. Panasonic ZS7 is clearly the smaller of the two cameras. Its body is 3mm narrower, 9mm shorter and 7mm thinner than Olympus SZ-30MR.
Now lets look at the top view comparison of Panasonic ZS7 and Olympus SZ-30MR.
Weight is another important factor especially when deciding on a camera that you want to carry with you all day.
Panasonic ZS7 is 8g lighter than the Olympus SZ-30MR but we don't think this will make a significant difference.
Unfortunately neither Panasonic Lumix DMC-ZS7 (Lumix DMC-TZ10) nor Olympus SZ-30MR provides any type of weather sealing in their body, so you have to give extra care especially when you are shooting outdoors. If weather sealing is a must-have feature for you, check these sections: Top Compact Cameras with Weather Sealing
LCD Screen Size and Features
Panasonic ZS7 and Olympus SZ-30MR's LCD screens has the same diagonal size of 3".
Unfortunately, both cameras has fixed screens so they don't tilt or flip in directions.